22123162405 has 8 divisors (see below), whose sum is σ = 26551821600. Its totient is φ = 17695845456.

The previous prime is 22123162403. The next prime is 22123162409. The reversal of 22123162405 is 50426132122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22123162405 - 2¹ = 22123162403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123162403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298935 + ... + 365524.

It is an arithmetic number, because the mean of its divisors is an integer number (3318977700).

Almost surely, 2^22123162405 is an apocalyptic number.

It is an amenable number.

22123162405 is a deficient number, since it is larger than the sum of its proper divisors (4428659195).

22123162405 is an equidigital number, since it uses as much as digits as its factorization.

22123162405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671123.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 22123162405 its reverse (50426132122), we get a palindrome (72549294527).

It can be divided in two parts, 22123 and 162405, that added together give a triangular number (184528 = T₆₀₇).

The spelling of 22123162405 in words is "twenty-two billion, one hundred twenty-three million, one hundred sixty-two thousand, four hundred five".